53426971 has 16 divisors (see below), whose sum is σ = 61363008. Its totient is φ = 46080000.

The previous prime is 53426957. The next prime is 53426983. The reversal of 53426971 is 17962435.

It is a 13-Lehmer number, since φ(53426971) divides (53426971-1)¹³.

It is a cyclic number.

It is not a de Polignac number, because 53426971 - 2⁷ = 53426843 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53426971.

It is not an unprimeable number, because it can be changed into a prime (53426371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32571 + ... + 34171.

It is an arithmetic number, because the mean of its divisors is an integer number (3835188).

Almost surely, 2^53426971 is an apocalyptic number.

53426971 is a deficient number, since it is larger than the sum of its proper divisors (7936037).

53426971 is a wasteful number, since it uses less digits than its factorization.

53426971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1782.

The product of its digits is 45360, while the sum is 37.

The square root of 53426971 is about 7309.3755547242. The cubic root of 53426971 is about 376.6345738009.

The spelling of 53426971 in words is "fifty-three million, four hundred twenty-six thousand, nine hundred seventy-one".